https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:matrices/x9e81a4f98389efdf:mat-intro/v/introduction-to-the-matrix 2021-03-19T16:21:25Z Intro to matrices Take the red pill and enter the Matrix! Sal Khan video https://cdn.kastatic.org/googleusercontent/67WqLE5wtNsuHYGIDLT-59ypx6Anu0Zp0kGDNzKebdOoOu6KVF9-4SRDdvQuF6OKTwNPT1yp2-tJIc6oNnRTgPaR Intro to matrices Take the red pill and enter the Matrix! https://cdn.kastatic.org/ka-youtube-converted/0oGJTQCy4cQ.mp4/0oGJTQCy4cQ.mp4 269 Introducing matrices https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:matrices/x9e81a4f98389efdf:mat-intro/a/intro-to-matrices 2021-04-29T07:49:20Z Intro to matrices Matrix is an arrangement of numbers into rows and columns. Make your first introduction with matrices and learn about their dimensions and elements. article https://www.khanacademy.org/math/algebra-home/alg-matrices/alg-intro-to-matrices/e/understand-matrix-coordinates 2025-05-05T08:14:25.350149109Z Matrix elements Find specific elements (also called entries) of given matrices. Tomer Gal exercise